NACT Engineering


Why choose this

Everything you need to know about Tether 2K - LeviathanTM

Lightest Weight System

Enhancing Efficiency and Maximizing Output

LeviathanTM weighs less than 7kg as a standalone fully functional system. Inclusive of an internal battery module, it offers high mobility and flexibility for many industry agnostic applications. No hidden weight and accessories, such as generators. Also, known as Tether 2K, as it signifies the lightest category within the range of NACT tether systems.

  • Powerful Miniature Sized System ​
  • For One Man Operation or housing into Vehicle
  • Lightest System Available on the Market

7kg Solution, all in

Lightest standalone system available.

60m Tether Cable

Option up to 100m.

2,000 W Continuous Power

Compact standalone unit. No need for generator, or more clutter.

Adjustable Constant Tension Winch

Adjust the tether cable tension to best suit your application needs.

Single Man Operation

Capable of moving along with the drone, even on foot.

High Portability

Just grab and go, always ready for deployment anytime.

Watch it in action

Tether 2K - LeviathanTM


One Person Operation

LeviathanTM ensures that a single operator can easily handle the entire process, from deployment to retrieval, without the need for additional assistance. This capability not only enhances operational flexibility but also makes it an ideal choice for scenarios where a solo operator’s agility and quick response are crucial.


Powerful Miniature Sized System

Small volumetrically, LeviathanTM is big in continuous power transmission: 2,000W on a generous 60m tether cable. Up to 2-hour flight time.


Additional Maneuverability
Moving the tether station offers extended tether drone operation, tapping upon advantages of land/sea vehicle operating range, and tether drone flight endurance/height. LeviathanTM offers vehicle agnostic compatibility, to enable additional manoeuvrability, for long and safe endurance drone operational.


Wide Range of Battery Compatibility

LeviathanTM multi-hours endurance can be enhanced using up to 5 external hot-swappable battery packs or an option for additional universal AC voltage for increased versatility.

What can it be used for

LeviathanTM can work with
these applications.

Obtain further information by requesting for the product brochure

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Mr Ooi Joon Hin

Board Director

Mr. Ooi is a director of Millennia-VFT Ventures Pte Ltd, and a managing director at Millennia Investment Management Pte Ltd, with more than two decades of investment management and banking experience. Prior to Millennia, he was with Lehman Brothers’ Investment Banking Division from 1994 to 2002 and worked in that firm’s New York, Hong Kong, and Singapore offices. He served as Senior Vice President and Co-head of Lehman Brothers Asia Energy Group from 2001-2002 and prior to that was Vice President of corporate finance execution for Lehman Brothers’ Southeast Asian investment banking team. Before joining Lehman Brothers, he was a senior accountant with Grant Thornton in New York from 1988 to 1992

Mr Raymond Lum

Board Director

Mr. Lum is currently the Managing Director of JLB Alliance Pte Ltd, a corporate finance advisory firm in Singapore. He brings more than 24 years of experience in operations and management, of which 17 years within the technology sector. Mr. Lum led efforts in digital transformation, mergers & acquisitions, corporate planning, business operations, and international business expansion within the technology, built environment, real estate, retail, distribution and logistics & fulfilment sectors.

Prior to joining JLB Alliance, Mr. Lum was the COO of Boustead Projects Ltd, and held various roles in TeleChoice International Ltd, SIA Engineering Company Ltd, KPMG Corporate Finance Pte Ltd, Infocom-Media Development Authority, ST Electronics (Info-software systems) Pte Ltd and Squire Mech Pte Ltd.

Mr. Lum is a Senior Member of the Institution of Engineers Singapore, a Fellow Chartered Accountant of Singapore, a Chartered Accountant of the Institute of Chartered Accountants in England and Wales, and a Member of the Singapore Institute of Directors. He holds a Master of Business Administration from Nanyang Technological University (Singapore), Master of Science in Applied Finance from the Singapore Management University, and Bachelor of Engineering (Honours) from the National University of Singapore.

Mr Chang Yew Kong

Board Director

Mr. Chang Yew Kong is Chairman of SIT IAC (ICT), Chairman of Wizvision, and serves on the Boards of HTX, DSCO and Tag Team. He is also Mentor/Advisor to SMEs in various technology sectors since retiring in 2016.

Mr Chang was President of ST Electronics Limited Software Systems Group (SSG) in July 2010, comprising ST Electronics (Info-Software Systems), ST Electronics (Training & Simulation Systems) and ST Electronics (Enterprise 1). He was also President / General Manager of STEE-InfoSoft from 1997 to December 2013.

Mr Chang served in the Defence Science Organisation/MINDEF (1978 to 1985) and Data General Singapore (1985 to 1987) before joining Singapore Technologies. He held various senior management positions in the then Singapore Computer Systems Ltd (SCS) from 1987 to 1996.

Mr. Chang graduated from the then University of Singapore with a Bachelor of Electrical Engineering (First Class Honours) in 1978. He completed his Masters in Engineering and a Diploma in Business Administration in the National University of Singapore in 1982 and 1984 respectively and attended the Stanford-NUS Executive Program. Mr Chang is a Senior Member of Institution of Engineers (Singapore) and a Fellow of Singapore Computer Society.